List of top Electronics and Communication Engineering Questions on Digital Counters

The initial contents of the 4-bit serial-in-parallel out right-shift register shown in figure is 0110. After three clock pulse applied, the contents of the shift register will be \[ \text{} \]
A ring counter (with 4 flip-flops) has how many unique states?
For a square wave signal with a frequency of 10 KHz, calculate the output frequencies for Mod 2, Mod 4, and Mod 10 counters.